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Hot air heating furnace for greenhouse

A hot air heating and room warming technology, which is applied in the direction of fuel supply, air heater, fluid heater, etc., can solve the problem of low heat utilization rate, and achieve the effects of good economic benefits, low temperature, and long heat exchange time

Inactive Publication Date: 2012-07-04
ZHEJIANG BULAIMENG AGRI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low heat utilization rate of existing greenhouse heating equipment, and to provide a greenhouse hot air heating furnace that fully utilizes heat energy

Method used

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  • Hot air heating furnace for greenhouse
  • Hot air heating furnace for greenhouse
  • Hot air heating furnace for greenhouse

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] Embodiment: a kind of hot air heating stove for conservatory, as figure 1 shown. The device includes a combustion furnace 1, the combustion furnace 1 is a horizontal cylindrical combustion furnace, and the structure of the combustion chamber is as follows: figure 2 As shown, the combustion chamber is cylindrical, and the upper part of one end surface is provided with a feed auger 8 and the main air inlet 11. The ash outlet auger 9 is arranged below the middle part of the wind plate, and the air distribution holes for tangential air intake are arranged on the air distribution plate and the combustion chamber wall above the air distribution plate, so that the combustion-supporting air in the combustion chamber forms a spiral wind.

[0022] The air outlet of the combustion furnace 1 is connected with the heat exchange tube 4 through the transition tube 2 . The bottom of transition pipe 2 is provided with extractable charcoal box 3, such as image 3 As shown, the bottom...

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Abstract

The invention relates to a hot air heating furnace for a greenhouse, which solves the problem that the existing heating device in the greenhouse is low in heat utilization ratio. The hot air heating furnace comprises a burning furnace and is characterized in that an air outlet of the burning furnace is connected at a heat exchanging tube in the greenhouse, a spiral loading hopper for adding fuel to be dried is arranged at the tail end of the heat exchanging tube, and an outlet of the heat exchanging tube is connected with a cyclone separator. According to the hot air heating furnace for the greenhouse, the heat exchanging time and the heat exchanging area are increased, the temperature of the exhaust air is low, and the heat utilizing ratio is increased; the fuel with higher water content is dried by heat of hot air, the fuel processing cost is solved, the biomass fuel with lower price is selected, and the economic benefits are good.

Description

technical field [0001] The invention relates to an air heating device, in particular to a hot air heating furnace for heating a greenhouse. technical background [0002] Greenhouses for growing vegetables, fruits, flowers and other crops need to be heated in winter to ensure the normal growth of crops. Traditional heating equipment uses liquid heat medium. The fuel burns to heat the heat medium, and then the heat medium exchanges heat to warm the air. The heat loss in the two heat exchange processes is large, and the hot air from fuel combustion contains a large amount of heat that cannot be used. . [0003] There is also a heating furnace that directly adopts the hot blast produced by combustion to directly exchange heat with air, and then the heated air is input into the heating furnace. Such as the CN201637102U patent announced by the Chinese Patent Office on November 17, 2010, the name is heating and ventilation hot blast stove. The device includes a combustion chamber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/02F23K1/04F23K3/00F24H9/00
Inventor 杜克镛
Owner ZHEJIANG BULAIMENG AGRI SCI & TECH
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